MPEC 2020-X28 : 2020 XK
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M.P.E.C. 2020-X28 Issued 2020 December 6, 10:24 UT
The Minor Planet Electronic Circulars contain information on unusual
minor planets and routine data on comets. They are published
on behalf of Division F of the International Astronomical Union by the
Minor Planet Center, Smithsonian Astrophysical Observatory,
Cambridge, MA 02138, U.S.A.
Prepared using the Tamkin Foundation Computer Network
MPC@CFA.HARVARD.EDU
URL https://www.minorplanetcenter.net/ ISSN 1523-6714
2020 XK
Observations:
K20X00K* C2020 12 04.39718204 37 34.52 +17 40 48.3 20.47GVEX028G96
K20X00K C2020 12 04.40243004 37 36.12 +17 41 22.6 20.35GVEX028G96
K20X00K C2020 12 04.40768304 37 37.79 +17 41 56.9 20.56GVEX028G96
K20X00K HC2020 12 04.48097404 38 00.97 +17 50 00.4 VEX028G96
K20X00K HC2020 12 04.48155404 38 01.18 +17 50 04.3 VEX028G96
K20X00K HC2020 12 04.48444604 38 02.14 +17 50 24.1 20.77GVEX028G96
K20X00K C2020 12 04.49822304 38 09.152+17 52 27.39 20.23GVEX028F52
K20X00K C2020 12 04.50921404 38 12.527+17 53 40.87 19.91GVEX028F52
K20X00K C2020 12 04.52022804 38 15.872+17 54 54.16 20.57GVEX028F52
K20X00K KC2020 12 05.13674204 41 57.40 +19 04 30.4 19.61GVEX028I52
K20X00K KC2020 12 05.13800304 41 57.81 +19 04 39.7 19.75GVEX028I52
K20X00K KC2020 12 05.13926404 41 58.21 +19 04 48.5 19.99GVEX028I52
K20X00K KC2020 12 05.14052504 41 58.64 +19 04 57.6 20.05GVEX028I52
K20X00K KC2020 12 05.37447 04 43 14.52 +19 32 04.8 20.4 RoEX028691
K20X00K KC2020 12 05.38890 04 43 19.27 +19 33 44.1 20.7 RoEX028691
K20X00K KC2020 12 06.13893704 48 00.64 +21 01 32.2 20.5 VuEX028H21
K20X00K KC2020 12 06.14185104 48 01.66 +21 01 53.1 20.5 VuEX028H21
K20X00K KC2020 12 06.14486504 48 02.67 +21 02 15.3 20.4 VuEX028H21
K20X00K KC2020 12 06.18584704 48 19.05 +21 07 15.2 20.07GVEX028I52
K20X00K KC2020 12 06.18683604 48 19.37 +21 07 22.2 19.79GVEX028I52
K20X00K KC2020 12 06.18782904 48 19.74 +21 07 29.7 19.65GVEX028I52
K20X00K KC2020 12 06.18882004 48 20.07 +21 07 36.8 19.81GVEX028I52
Observer details:
691 Steward Observatory, Kitt Peak-Spacewatch. Observer T. H. Bressi. 0.9-m
f/3 reflector + CCD.
F52 Pan-STARRS 2, Haleakala. Observers J. Bulger, K. Chambers, T. Dukes, T.
Lowe, A. Schultz, M. Willman. Measurers S. Chastel, M. Huber, Y.
Ramanjooloo, R. Wainscoat, R. Weryk. 1.8-m Ritchey-Chretien + CCD.
G96 Mt. Lemmon Survey. Observer G. J. Leonard. Measurers E. J. Christensen,
G. A. Farneth, D. C. Fuls, A. R. Gibbs, A. D. Grauer, H. Groeller, R. A.
Kowalski, S. M. Larson, G. J. Leonard, T. A. Pruyne, D. Rankin, R. L.
Seaman, F. C. Shelly, K. W. Wierzchos. 1.5-m reflector + 10K CCD.
H21 Astronomical Research Observatory, Westfield. Observer R. Holmes.
Measurers S. Foglia, L. Buzzi, T. Linder, R. Holmes. 0.76-m f/3.0
astrograph + CCD.
I52 Steward Observatory, Mt. Lemmon Station. Observer D. C. Fuls. Measurers
E. J. Christensen, G. A. Farneth, D. C. Fuls, A. R. Gibbs, A. D. Grauer,
H. Groeller, R. A. Kowalski, S. M. Larson, G. J. Leonard, T. A. Pruyne, D.
Rankin, R. L. Seaman, F. C. Shelly, K. W. Wierzchos. 1.0-m reflector +
CCD.
Orbital elements:
2020 XK Earth MOID = 0.0847 AU
Epoch 2020 Dec. 17.0 TT = JDT 2459200.5 Bell
M 359.43775 (2000.0) P Q
n 0.29386958 Peri. 13.20899 +0.03480425 -0.99011914
a 2.2406101 Node 74.92227 +0.90366444 -0.02687220
e 0.5246182 Incl. 8.08744 +0.42682460 +0.13762984
P 3.35 H 25.14 G 0.15 U 8
Residuals in seconds of arc
201204 G96 0.7- 0.1+ 201204 F52 0.0+ 0.4+ 201206 H21 0.2+ 0.0+
201204 G96 1.0- 0.3- 201205 I52 0.3- 0.8+ 201206 H21 0.4- 0.5+
201204 G96 0.4- 0.8- 201205 I52 0.4- 1.2+ 201206 I52 0.1- 0.1-
201204 G96 0.8- 0.6- 201205 I52 0.7- 1.2+ 201206 I52 0.5- 0.3-
201204 G96 0.5- 0.5- 201205 I52 0.6- 1.4+ 201206 I52 0.2- 0.0+
201204 G96 0.2- 0.3+ 201205 691 0.1- 0.6- 201206 I52 0.4- 0.1-
201204 F52 0.1+ 0.1- 201205 691 0.4+ 0.4-
201204 F52 0.5+ 0.3+ 201206 H21 0.1+ 0.2+
Ephemeris:
2020 XK a,e,i = 2.24, 0.52, 8 q = 1.0651
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2020 11 06 03 22 03.5 -07 05 37 0.2050 1.1805 155.2 20.6 23.1
...
2020 11 21 03 47 11.9 -00 00 43 0.1356 1.1164 160.1 17.5 22.0
...
2020 11 29 04 12 03.9 +08 48 57 0.1078 1.0917 167.2 11.6 21.2
...
2020 12 05 04 41 04.3 +18 49 18 0.09300 1.0782 176.3 3.4 20.5
2020 12 06 04 47 05.3 +20 45 34 0.09120 1.0764 178.1 1.8 20.3
2020 12 07 04 53 29.7 +22 45 26 0.08962 1.0748 179.6 0.4 20.1
...
2020 12 13 05 41 02.4 +35 15 00 0.08502 1.0675 167.2 11.8 20.6
...
2020 12 21 07 07 15.1 +48 33 53 0.09211 1.0654 151.3 26.3 21.3
...
2021 01 05 09 31 25.9 +54 41 30 0.1323 1.0848 137.7 37.6 22.4
M. P. C. Staff (C) Copyright 2020 MPC M.P.E.C. 2020-X28
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